./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/elevator_spec9_product30.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/elevator_spec9_product30.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1493e9da3ad278988eda47a556733ebc5ac5411d3350d76fb478293d9e5d934e --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 09:55:25,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 09:55:25,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 09:55:25,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 09:55:25,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 09:55:25,284 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 09:55:25,285 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 09:55:25,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 09:55:25,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 09:55:25,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 09:55:25,293 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 09:55:25,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 09:55:25,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 09:55:25,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 09:55:25,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 09:55:25,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 09:55:25,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 09:55:25,301 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 09:55:25,303 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 09:55:25,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 09:55:25,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 09:55:25,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 09:55:25,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 09:55:25,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 09:55:25,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 09:55:25,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 09:55:25,316 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 09:55:25,317 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 09:55:25,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 09:55:25,317 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 09:55:25,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 09:55:25,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 09:55:25,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 09:55:25,320 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 09:55:25,320 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 09:55:25,320 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 09:55:25,321 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 09:55:25,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 09:55:25,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 09:55:25,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 09:55:25,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 09:55:25,323 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-16 09:55:25,346 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 09:55:25,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 09:55:25,346 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 09:55:25,346 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 09:55:25,347 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 09:55:25,347 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 09:55:25,348 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 09:55:25,348 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-16 09:55:25,348 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-16 09:55:25,348 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-16 09:55:25,348 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-16 09:55:25,348 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-16 09:55:25,348 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-16 09:55:25,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 09:55:25,349 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 09:55:25,349 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-16 09:55:25,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 09:55:25,349 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 09:55:25,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 09:55:25,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-16 09:55:25,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-16 09:55:25,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-16 09:55:25,349 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 09:55:25,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 09:55:25,349 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-16 09:55:25,350 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 09:55:25,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-16 09:55:25,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 09:55:25,350 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 09:55:25,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 09:55:25,350 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 09:55:25,350 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 09:55:25,351 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-16 09:55:25,351 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1493e9da3ad278988eda47a556733ebc5ac5411d3350d76fb478293d9e5d934e [2021-12-16 09:55:25,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 09:55:25,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 09:55:25,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 09:55:25,553 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 09:55:25,553 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 09:55:25,554 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec9_product30.cil.c [2021-12-16 09:55:25,598 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1cd11434/4e7beba1b9774dc7975317afe557e40b/FLAGaa182482f [2021-12-16 09:55:26,085 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 09:55:26,085 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec9_product30.cil.c [2021-12-16 09:55:26,109 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1cd11434/4e7beba1b9774dc7975317afe557e40b/FLAGaa182482f [2021-12-16 09:55:26,575 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1cd11434/4e7beba1b9774dc7975317afe557e40b [2021-12-16 09:55:26,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 09:55:26,590 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 09:55:26,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 09:55:26,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 09:55:26,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 09:55:26,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 09:55:26" (1/1) ... [2021-12-16 09:55:26,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@775ff142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:55:26, skipping insertion in model container [2021-12-16 09:55:26,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 09:55:26" (1/1) ... [2021-12-16 09:55:26,601 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 09:55:26,650 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 09:55:26,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec9_product30.cil.c[11768,11781] [2021-12-16 09:55:26,971 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 09:55:26,983 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 09:55:27,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec9_product30.cil.c[11768,11781] [2021-12-16 09:55:27,094 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 09:55:27,124 INFO L208 MainTranslator]: Completed translation [2021-12-16 09:55:27,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:55:27 WrapperNode [2021-12-16 09:55:27,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 09:55:27,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 09:55:27,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 09:55:27,126 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 09:55:27,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:55:27" (1/1) ... [2021-12-16 09:55:27,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:55:27" (1/1) ... [2021-12-16 09:55:27,416 INFO L137 Inliner]: procedures = 95, calls = 344, calls flagged for inlining = 196, calls inlined = 776, statements flattened = 26409 [2021-12-16 09:55:27,418 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 09:55:27,418 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 09:55:27,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 09:55:27,419 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 09:55:27,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:55:27" (1/1) ... [2021-12-16 09:55:27,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:55:27" (1/1) ... [2021-12-16 09:55:27,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:55:27" (1/1) ... [2021-12-16 09:55:27,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:55:27" (1/1) ... [2021-12-16 09:55:27,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:55:27" (1/1) ... [2021-12-16 09:55:27,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:55:27" (1/1) ... [2021-12-16 09:55:27,838 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:55:27" (1/1) ... [2021-12-16 09:55:27,891 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 09:55:27,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 09:55:27,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 09:55:27,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 09:55:27,894 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:55:27" (1/1) ... [2021-12-16 09:55:27,899 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:55:27,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:55:27,920 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:55:27,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-16 09:55:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 09:55:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 09:55:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 09:55:27,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 09:55:28,129 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 09:55:28,130 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 09:55:34,262 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 09:55:34,305 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 09:55:34,305 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-16 09:55:34,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:55:34 BoogieIcfgContainer [2021-12-16 09:55:34,314 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 09:55:34,316 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-16 09:55:34,316 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-16 09:55:34,319 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-16 09:55:34,319 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 09:55:34,319 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.12 09:55:26" (1/3) ... [2021-12-16 09:55:34,320 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19eaed34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.12 09:55:34, skipping insertion in model container [2021-12-16 09:55:34,320 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 09:55:34,320 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:55:27" (2/3) ... [2021-12-16 09:55:34,321 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19eaed34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.12 09:55:34, skipping insertion in model container [2021-12-16 09:55:34,321 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 09:55:34,321 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:55:34" (3/3) ... [2021-12-16 09:55:34,322 INFO L388 chiAutomizerObserver]: Analyzing ICFG elevator_spec9_product30.cil.c [2021-12-16 09:55:34,355 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-16 09:55:34,355 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-16 09:55:34,355 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-16 09:55:34,356 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-16 09:55:34,356 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-16 09:55:34,356 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-16 09:55:34,356 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-16 09:55:34,356 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-16 09:55:34,457 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7097 states, 7096 states have (on average 1.8776775648252537) internal successors, (13324), 7096 states have internal predecessors, (13324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:55:34,575 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3532 [2021-12-16 09:55:34,575 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:55:34,576 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:55:34,596 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:55:34,596 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:55:34,597 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-16 09:55:34,613 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7097 states, 7096 states have (on average 1.8776775648252537) internal successors, (13324), 7096 states have internal predecessors, (13324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:55:34,688 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3532 [2021-12-16 09:55:34,688 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:55:34,688 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:55:34,694 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:55:34,694 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:55:34,703 INFO L791 eck$LassoCheckResult]: Stem: 5817#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0; 3521#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret132#1, main_~retValue_acc~27#1, main_~tmp~29#1;havoc main_~retValue_acc~27#1;havoc main_~tmp~29#1;assume { :begin_inline_select_helpers } true; 1746#L440true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 6540#L433true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 5936#L448true main_#t~ret132#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~29#1 := main_#t~ret132#1;havoc main_#t~ret132#1; 1063#L3442true assume 0 != main_~tmp~29#1;assume { :begin_inline_setup } true; 1383#L3417true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 1078#L482true assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret125#1, bigMacCall_~tmp~26#1;havoc bigMacCall_~tmp~26#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 4736#L785true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 1878#L810true bigMacCall_#t~ret125#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~26#1 := bigMacCall_#t~ret125#1;havoc bigMacCall_#t~ret125#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~26#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 4948#L2798true assume 0 == initPersonOnFloor_~floor#1; 3932#L2799true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 1993#L2906-1true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 358#L2590true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 3794#L2602-2true assume { :end_inline_callOnFloor } true; 2890#L2942true assume { :end_inline_initPersonOnFloor } true; 6977#L3222true assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret126#1, cleanup_#t~ret127#1, cleanup_~i~3#1, cleanup_~tmp~27#1, cleanup_~tmp___0~10#1, cleanup_~__cil_tmp4~3#1;havoc cleanup_~i~3#1;havoc cleanup_~tmp~27#1;havoc cleanup_~tmp___0~10#1;havoc cleanup_~__cil_tmp4~3#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret90#1, timeShift_~tmp~18#1;havoc timeShift_~tmp~18#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 1230#L1122true timeShift_#t~ret90#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~18#1 := timeShift_#t~ret90#1;havoc timeShift_#t~ret90#1; 764#L2071true assume 0 != timeShift_~tmp~18#1; 3777#L2072true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 6859#L2071-1true assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret28#1, __utac_acc__Specification9_spec__3_#t~ret29#1, __utac_acc__Specification9_spec__3_#t~ret30#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~3#1, __utac_acc__Specification9_spec__3_~tmp___0~0#1, __utac_acc__Specification9_spec__3_~tmp___1~0#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~3#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~0#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 1922#L1113-2true __utac_acc__Specification9_spec__3_#t~ret28#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~3#1 := __utac_acc__Specification9_spec__3_#t~ret28#1;havoc __utac_acc__Specification9_spec__3_#t~ret28#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~3#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~13#1;havoc isEmpty_~retValue_acc~13#1; 4958#L1173-12true assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~13#1; 1938#L1205-12true __utac_acc__Specification9_spec__3_#t~ret29#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~0#1 := __utac_acc__Specification9_spec__3_#t~ret29#1;havoc __utac_acc__Specification9_spec__3_#t~ret29#1; 2921#L525true assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~0#1;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 1388#L535-1true assume { :end_inline___utac_acc__Specification9_spec__3 } true; 4426#L2089true assume { :end_inline_timeShift } true;cleanup_~i~3#1 := 0; 3453#L3249-2true [2021-12-16 09:55:34,708 INFO L793 eck$LassoCheckResult]: Loop: 3453#L3249-2true assume !false; 6063#L3250true cleanup_~__cil_tmp4~3#1 := ~cleanupTimeShifts~0 - 1; 2934#L3253true assume cleanup_~i~3#1 < cleanup_~__cil_tmp4~3#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~8#1;havoc isBlocked_~retValue_acc~8#1;isBlocked_~retValue_acc~8#1 := ~blocked~0;isBlocked_#res#1 := isBlocked_~retValue_acc~8#1; 2140#L936true cleanup_#t~ret126#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~10#1 := cleanup_#t~ret126#1;havoc cleanup_#t~ret126#1; 241#L3257true assume 1 != cleanup_~tmp___0~10#1; 4155#L3257-1true assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret45#1, isIdle_~retValue_acc~15#1, isIdle_~tmp~10#1;havoc isIdle_~retValue_acc~15#1;havoc isIdle_~tmp~10#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret40#1, anyStopRequested_#t~ret41#1, anyStopRequested_#t~ret42#1, anyStopRequested_#t~ret43#1, anyStopRequested_#t~ret44#1, anyStopRequested_~retValue_acc~14#1, anyStopRequested_~tmp~9#1, anyStopRequested_~tmp___0~3#1, anyStopRequested_~tmp___1~3#1, anyStopRequested_~tmp___2~0#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~14#1;havoc anyStopRequested_~tmp~9#1;havoc anyStopRequested_~tmp___0~3#1;havoc anyStopRequested_~tmp___1~3#1;havoc anyStopRequested_~tmp___2~0#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~23#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~23#1; 1349#L2527-122true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~23#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~23#1; 5638#L2554-122true anyStopRequested_#t~ret40#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret40#1;havoc anyStopRequested_#t~ret40#1; 3319#L1221true assume 0 != anyStopRequested_~tmp___3~0#1;anyStopRequested_~retValue_acc~14#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~14#1; 742#L1285true isIdle_#t~ret45#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~10#1 := isIdle_#t~ret45#1;havoc isIdle_#t~ret45#1;isIdle_~retValue_acc~15#1 := (if 0 == isIdle_~tmp~10#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~15#1; 245#L1298true cleanup_#t~ret127#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~27#1 := cleanup_#t~ret127#1;havoc cleanup_#t~ret127#1; 1359#L3269true assume !(0 != cleanup_~tmp~27#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret90#1, timeShift_~tmp~18#1;havoc timeShift_~tmp~18#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 2156#L1122-2true timeShift_#t~ret90#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~18#1 := timeShift_#t~ret90#1;havoc timeShift_#t~ret90#1; 734#L2071-2true assume 0 != timeShift_~tmp~18#1; 249#L2072-3true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 1377#L2071-3true assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret28#1, __utac_acc__Specification9_spec__3_#t~ret29#1, __utac_acc__Specification9_spec__3_#t~ret30#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~3#1, __utac_acc__Specification9_spec__3_~tmp___0~0#1, __utac_acc__Specification9_spec__3_~tmp___1~0#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~3#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~0#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 7036#L1113-5true __utac_acc__Specification9_spec__3_#t~ret28#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~3#1 := __utac_acc__Specification9_spec__3_#t~ret28#1;havoc __utac_acc__Specification9_spec__3_#t~ret28#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~3#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~13#1;havoc isEmpty_~retValue_acc~13#1; 1198#L1173-25true assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~13#1; 5345#L1205-25true __utac_acc__Specification9_spec__3_#t~ret29#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~0#1 := __utac_acc__Specification9_spec__3_#t~ret29#1;havoc __utac_acc__Specification9_spec__3_#t~ret29#1; 957#L525-2true assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~0#1;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 563#L535-3true assume { :end_inline___utac_acc__Specification9_spec__3 } true; 6273#L2089-1true assume { :end_inline_timeShift } true;cleanup_~i~3#1 := 1 + cleanup_~i~3#1; 3453#L3249-2true [2021-12-16 09:55:34,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:55:34,717 INFO L85 PathProgramCache]: Analyzing trace with hash -115058102, now seen corresponding path program 1 times [2021-12-16 09:55:34,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:55:34,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430405877] [2021-12-16 09:55:34,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:55:34,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:55:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:55:34,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:55:34,931 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:55:34,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430405877] [2021-12-16 09:55:34,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430405877] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:55:34,932 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:55:34,932 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 09:55:34,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221422760] [2021-12-16 09:55:34,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:55:34,936 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-16 09:55:34,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:55:34,937 INFO L85 PathProgramCache]: Analyzing trace with hash 2087572474, now seen corresponding path program 1 times [2021-12-16 09:55:34,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:55:34,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419014104] [2021-12-16 09:55:34,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:55:34,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:55:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:55:34,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:55:34,985 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:55:34,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419014104] [2021-12-16 09:55:34,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419014104] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:55:34,985 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:55:34,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 09:55:34,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549402111] [2021-12-16 09:55:34,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:55:34,987 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-16 09:55:34,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 09:55:35,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 09:55:35,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 09:55:35,064 INFO L87 Difference]: Start difference. First operand has 7097 states, 7096 states have (on average 1.8776775648252537) internal successors, (13324), 7096 states have internal predecessors, (13324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:55:35,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 09:55:35,914 INFO L93 Difference]: Finished difference Result 17510 states and 32814 transitions. [2021-12-16 09:55:35,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 09:55:35,919 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17510 states and 32814 transitions. [2021-12-16 09:55:36,024 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12196 [2021-12-16 09:55:36,125 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17510 states to 17456 states and 32753 transitions. [2021-12-16 09:55:36,126 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17456 [2021-12-16 09:55:36,144 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17456 [2021-12-16 09:55:36,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17456 states and 32753 transitions. [2021-12-16 09:55:36,172 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 09:55:36,172 INFO L681 BuchiCegarLoop]: Abstraction has 17456 states and 32753 transitions. [2021-12-16 09:55:36,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17456 states and 32753 transitions. [2021-12-16 09:55:36,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17456 to 7078. [2021-12-16 09:55:36,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7078 states, 7078 states have (on average 1.8783554676462277) internal successors, (13295), 7077 states have internal predecessors, (13295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:55:36,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7078 states to 7078 states and 13295 transitions. [2021-12-16 09:55:36,358 INFO L704 BuchiCegarLoop]: Abstraction has 7078 states and 13295 transitions. [2021-12-16 09:55:36,358 INFO L587 BuchiCegarLoop]: Abstraction has 7078 states and 13295 transitions. [2021-12-16 09:55:36,359 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-16 09:55:36,359 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7078 states and 13295 transitions. [2021-12-16 09:55:36,379 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3534 [2021-12-16 09:55:36,379 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:55:36,379 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:55:36,381 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:55:36,381 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:55:36,382 INFO L791 eck$LassoCheckResult]: Stem: 31489#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0; 30127#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret132#1, main_~retValue_acc~27#1, main_~tmp~29#1;havoc main_~retValue_acc~27#1;havoc main_~tmp~29#1;assume { :begin_inline_select_helpers } true; 28046#L440 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 28047#L433 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 31533#L448 main_#t~ret132#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~29#1 := main_#t~ret132#1;havoc main_#t~ret132#1; 26918#L3442 assume 0 != main_~tmp~29#1;assume { :begin_inline_setup } true; 26919#L3417 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 26940#L482 assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret125#1, bigMacCall_~tmp~26#1;havoc bigMacCall_~tmp~26#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 26941#L785 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 25167#L810 bigMacCall_#t~ret125#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~26#1 := bigMacCall_#t~ret125#1;havoc bigMacCall_#t~ret125#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~26#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 28245#L2798 assume 0 == initPersonOnFloor_~floor#1; 30506#L2799 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 25770#L2906-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 25525#L2590 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 25526#L2602-2 assume { :end_inline_callOnFloor } true; 29496#L2942 assume { :end_inline_initPersonOnFloor } true; 29497#L3222 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret126#1, cleanup_#t~ret127#1, cleanup_~i~3#1, cleanup_~tmp~27#1, cleanup_~tmp___0~10#1, cleanup_~__cil_tmp4~3#1;havoc cleanup_~i~3#1;havoc cleanup_~tmp~27#1;havoc cleanup_~tmp___0~10#1;havoc cleanup_~__cil_tmp4~3#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret90#1, timeShift_~tmp~18#1;havoc timeShift_~tmp~18#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 27218#L1122 timeShift_#t~ret90#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~18#1 := timeShift_#t~ret90#1;havoc timeShift_#t~ret90#1; 26383#L2071 assume 0 != timeShift_~tmp~18#1; 26385#L2072 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 24828#L2071-1 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret28#1, __utac_acc__Specification9_spec__3_#t~ret29#1, __utac_acc__Specification9_spec__3_#t~ret30#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~3#1, __utac_acc__Specification9_spec__3_~tmp___0~0#1, __utac_acc__Specification9_spec__3_~tmp___1~0#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~3#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~0#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 28306#L1113-2 __utac_acc__Specification9_spec__3_#t~ret28#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~3#1 := __utac_acc__Specification9_spec__3_#t~ret28#1;havoc __utac_acc__Specification9_spec__3_#t~ret28#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~3#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~13#1;havoc isEmpty_~retValue_acc~13#1; 28307#L1173-12 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~13#1; 25642#L1205-12 __utac_acc__Specification9_spec__3_#t~ret29#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~0#1 := __utac_acc__Specification9_spec__3_#t~ret29#1;havoc __utac_acc__Specification9_spec__3_#t~ret29#1; 29532#L525 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~0#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 29265#L1122-1 __utac_acc__Specification9_spec__3_#t~ret30#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~0#1 := __utac_acc__Specification9_spec__3_#t~ret30#1;havoc __utac_acc__Specification9_spec__3_#t~ret30#1; 25710#L535 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~0#1); 25711#L535-1 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 27485#L2089 assume { :end_inline_timeShift } true;cleanup_~i~3#1 := 0; 30057#L3249-2 [2021-12-16 09:55:36,382 INFO L793 eck$LassoCheckResult]: Loop: 30057#L3249-2 assume !false; 30058#L3250 cleanup_~__cil_tmp4~3#1 := ~cleanupTimeShifts~0 - 1; 29547#L3253 assume cleanup_~i~3#1 < cleanup_~__cil_tmp4~3#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~8#1;havoc isBlocked_~retValue_acc~8#1;isBlocked_~retValue_acc~8#1 := ~blocked~0;isBlocked_#res#1 := isBlocked_~retValue_acc~8#1; 28610#L936 cleanup_#t~ret126#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~10#1 := cleanup_#t~ret126#1;havoc cleanup_#t~ret126#1; 25240#L3257 assume 1 != cleanup_~tmp___0~10#1; 25241#L3257-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret45#1, isIdle_~retValue_acc~15#1, isIdle_~tmp~10#1;havoc isIdle_~retValue_acc~15#1;havoc isIdle_~tmp~10#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret40#1, anyStopRequested_#t~ret41#1, anyStopRequested_#t~ret42#1, anyStopRequested_#t~ret43#1, anyStopRequested_#t~ret44#1, anyStopRequested_~retValue_acc~14#1, anyStopRequested_~tmp~9#1, anyStopRequested_~tmp___0~3#1, anyStopRequested_~tmp___1~3#1, anyStopRequested_~tmp___2~0#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~14#1;havoc anyStopRequested_~tmp~9#1;havoc anyStopRequested_~tmp___0~3#1;havoc anyStopRequested_~tmp___1~3#1;havoc anyStopRequested_~tmp___2~0#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~23#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~23#1; 27420#L2527-122 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~23#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~23#1; 27421#L2554-122 anyStopRequested_#t~ret40#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret40#1;havoc anyStopRequested_#t~ret40#1; 29942#L1221 assume 0 != anyStopRequested_~tmp___3~0#1;anyStopRequested_~retValue_acc~14#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~14#1; 25719#L1285 isIdle_#t~ret45#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~10#1 := isIdle_#t~ret45#1;havoc isIdle_#t~ret45#1;isIdle_~retValue_acc~15#1 := (if 0 == isIdle_~tmp~10#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~15#1; 25251#L1298 cleanup_#t~ret127#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~27#1 := cleanup_#t~ret127#1;havoc cleanup_#t~ret127#1; 25252#L3269 assume !(0 != cleanup_~tmp~27#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret90#1, timeShift_~tmp~18#1;havoc timeShift_~tmp~18#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 27439#L1122-2 timeShift_#t~ret90#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~18#1 := timeShift_#t~ret90#1;havoc timeShift_#t~ret90#1; 26321#L2071-2 assume 0 != timeShift_~tmp~18#1; 25260#L2072-3 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 25261#L2071-3 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret28#1, __utac_acc__Specification9_spec__3_#t~ret29#1, __utac_acc__Specification9_spec__3_#t~ret30#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~3#1, __utac_acc__Specification9_spec__3_~tmp___0~0#1, __utac_acc__Specification9_spec__3_~tmp___1~0#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~3#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~0#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 27472#L1113-5 __utac_acc__Specification9_spec__3_#t~ret28#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~3#1 := __utac_acc__Specification9_spec__3_#t~ret28#1;havoc __utac_acc__Specification9_spec__3_#t~ret28#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~3#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~13#1;havoc isEmpty_~retValue_acc~13#1; 27157#L1173-25 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~13#1; 27158#L1205-25 __utac_acc__Specification9_spec__3_#t~ret29#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~0#1 := __utac_acc__Specification9_spec__3_#t~ret29#1;havoc __utac_acc__Specification9_spec__3_#t~ret29#1; 26742#L525-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~0#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 26051#L1122-3 __utac_acc__Specification9_spec__3_#t~ret30#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~0#1 := __utac_acc__Specification9_spec__3_#t~ret30#1;havoc __utac_acc__Specification9_spec__3_#t~ret30#1; 26052#L535-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~0#1); 25975#L535-3 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 25976#L2089-1 assume { :end_inline_timeShift } true;cleanup_~i~3#1 := 1 + cleanup_~i~3#1; 30057#L3249-2 [2021-12-16 09:55:36,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:55:36,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1098668845, now seen corresponding path program 1 times [2021-12-16 09:55:36,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:55:36,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473211045] [2021-12-16 09:55:36,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:55:36,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:55:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:55:36,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:55:36,415 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:55:36,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473211045] [2021-12-16 09:55:36,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473211045] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:55:36,415 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:55:36,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 09:55:36,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550330398] [2021-12-16 09:55:36,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:55:36,416 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-16 09:55:36,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:55:36,417 INFO L85 PathProgramCache]: Analyzing trace with hash 408312925, now seen corresponding path program 1 times [2021-12-16 09:55:36,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:55:36,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673866809] [2021-12-16 09:55:36,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:55:36,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:55:36,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:55:36,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:55:36,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:55:36,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673866809] [2021-12-16 09:55:36,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673866809] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:55:36,453 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:55:36,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 09:55:36,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456558279] [2021-12-16 09:55:36,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:55:36,453 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-16 09:55:36,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 09:55:36,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 09:55:36,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-16 09:55:36,454 INFO L87 Difference]: Start difference. First operand 7078 states and 13295 transitions. cyclomatic complexity: 6218 Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:55:37,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 09:55:37,022 INFO L93 Difference]: Finished difference Result 13396 states and 25086 transitions. [2021-12-16 09:55:37,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-16 09:55:37,023 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13396 states and 25086 transitions. [2021-12-16 09:55:37,091 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10725 [2021-12-16 09:55:37,148 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13396 states to 13396 states and 25086 transitions. [2021-12-16 09:55:37,148 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13396 [2021-12-16 09:55:37,162 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13396 [2021-12-16 09:55:37,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13396 states and 25086 transitions. [2021-12-16 09:55:37,180 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 09:55:37,181 INFO L681 BuchiCegarLoop]: Abstraction has 13396 states and 25086 transitions. [2021-12-16 09:55:37,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13396 states and 25086 transitions. [2021-12-16 09:55:37,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13396 to 7042. [2021-12-16 09:55:37,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7042 states, 7042 states have (on average 1.8771655779608065) internal successors, (13219), 7041 states have internal predecessors, (13219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:55:37,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7042 states to 7042 states and 13219 transitions. [2021-12-16 09:55:37,447 INFO L704 BuchiCegarLoop]: Abstraction has 7042 states and 13219 transitions. [2021-12-16 09:55:37,447 INFO L587 BuchiCegarLoop]: Abstraction has 7042 states and 13219 transitions. [2021-12-16 09:55:37,447 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-16 09:55:37,447 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7042 states and 13219 transitions. [2021-12-16 09:55:37,469 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4406 [2021-12-16 09:55:37,469 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:55:37,469 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:55:37,471 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:55:37,471 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:55:37,472 INFO L791 eck$LassoCheckResult]: Stem: 49973#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0; 49974#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret132#1, main_~retValue_acc~27#1, main_~tmp~29#1;havoc main_~retValue_acc~27#1;havoc main_~tmp~29#1;assume { :begin_inline_select_helpers } true; 49413#L440 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 49414#L433 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 50117#L448 main_#t~ret132#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~29#1 := main_#t~ret132#1;havoc main_#t~ret132#1; 48195#L3442 assume 0 != main_~tmp~29#1;assume { :begin_inline_setup } true; 48196#L3417 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 48221#L482 assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret125#1, bigMacCall_~tmp~26#1;havoc bigMacCall_~tmp~26#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 48222#L785 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 45945#L810 bigMacCall_#t~ret125#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~26#1 := bigMacCall_#t~ret125#1;havoc bigMacCall_#t~ret125#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~26#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 48747#L2798 assume 0 == initPersonOnFloor_~floor#1; 46368#L2799 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 45536#L2906-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 46462#L2590 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 45912#L2602-2 assume { :end_inline_callOnFloor } true; 45913#L2942 assume { :end_inline_initPersonOnFloor } true; 50529#L3222 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret126#1, cleanup_#t~ret127#1, cleanup_~i~3#1, cleanup_~tmp~27#1, cleanup_~tmp___0~10#1, cleanup_~__cil_tmp4~3#1;havoc cleanup_~i~3#1;havoc cleanup_~tmp~27#1;havoc cleanup_~tmp___0~10#1;havoc cleanup_~__cil_tmp4~3#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret90#1, timeShift_~tmp~18#1;havoc timeShift_~tmp~18#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 48576#L1122 timeShift_#t~ret90#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~18#1 := timeShift_#t~ret90#1;havoc timeShift_#t~ret90#1; 47533#L2071 assume 0 != timeShift_~tmp~18#1; 45869#L2072 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 45870#L2071-1 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret28#1, __utac_acc__Specification9_spec__3_#t~ret29#1, __utac_acc__Specification9_spec__3_#t~ret30#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~3#1, __utac_acc__Specification9_spec__3_~tmp___0~0#1, __utac_acc__Specification9_spec__3_~tmp___1~0#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~3#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~0#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 49628#L1113-2 __utac_acc__Specification9_spec__3_#t~ret28#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~3#1 := __utac_acc__Specification9_spec__3_#t~ret28#1;havoc __utac_acc__Specification9_spec__3_#t~ret28#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~3#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~13#1;havoc isEmpty_~retValue_acc~13#1; 48759#L1173-12 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~13#1; 46590#L1205-12 __utac_acc__Specification9_spec__3_#t~ret29#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~0#1 := __utac_acc__Specification9_spec__3_#t~ret29#1;havoc __utac_acc__Specification9_spec__3_#t~ret29#1; 49650#L525 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~0#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 50400#L1122-1 __utac_acc__Specification9_spec__3_#t~ret30#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~0#1 := __utac_acc__Specification9_spec__3_#t~ret30#1;havoc __utac_acc__Specification9_spec__3_#t~ret30#1; 46681#L535 assume 0 != __utac_acc__Specification9_spec__3_~tmp___0~0#1; 46682#L536 assume 0 == __utac_acc__Specification9_spec__3_~floor~0#1; 50181#L537 assume 0 != ~floorButtons_spc9_0~0;~floorButtons_spc9_0~0 := 0; 50848#L535-1 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 50847#L2089 assume { :end_inline_timeShift } true;cleanup_~i~3#1 := 0; 50846#L3249-2 [2021-12-16 09:55:37,472 INFO L793 eck$LassoCheckResult]: Loop: 50846#L3249-2 assume !false; 50845#L3250 cleanup_~__cil_tmp4~3#1 := ~cleanupTimeShifts~0 - 1; 50840#L3253 assume cleanup_~i~3#1 < cleanup_~__cil_tmp4~3#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~8#1;havoc isBlocked_~retValue_acc~8#1;isBlocked_~retValue_acc~8#1 := ~blocked~0;isBlocked_#res#1 := isBlocked_~retValue_acc~8#1; 50839#L936 cleanup_#t~ret126#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~10#1 := cleanup_#t~ret126#1;havoc cleanup_#t~ret126#1; 46030#L3257 assume 1 != cleanup_~tmp___0~10#1; 46031#L3257-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret45#1, isIdle_~retValue_acc~15#1, isIdle_~tmp~10#1;havoc isIdle_~retValue_acc~15#1;havoc isIdle_~tmp~10#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret40#1, anyStopRequested_#t~ret41#1, anyStopRequested_#t~ret42#1, anyStopRequested_#t~ret43#1, anyStopRequested_#t~ret44#1, anyStopRequested_~retValue_acc~14#1, anyStopRequested_~tmp~9#1, anyStopRequested_~tmp___0~3#1, anyStopRequested_~tmp___1~3#1, anyStopRequested_~tmp___2~0#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~14#1;havoc anyStopRequested_~tmp~9#1;havoc anyStopRequested_~tmp___0~3#1;havoc anyStopRequested_~tmp___1~3#1;havoc anyStopRequested_~tmp___2~0#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~23#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~23#1; 47030#L2527-122 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~23#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~23#1; 48812#L2554-122 anyStopRequested_#t~ret40#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret40#1;havoc anyStopRequested_#t~ret40#1; 49760#L1221 assume 0 != anyStopRequested_~tmp___3~0#1;anyStopRequested_~retValue_acc~14#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~14#1; 46690#L1285 isIdle_#t~ret45#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~10#1 := isIdle_#t~ret45#1;havoc isIdle_#t~ret45#1;isIdle_~retValue_acc~15#1 := (if 0 == isIdle_~tmp~10#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~15#1; 46041#L1298 cleanup_#t~ret127#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~27#1 := cleanup_#t~ret127#1;havoc cleanup_#t~ret127#1; 46042#L3269 assume !(0 != cleanup_~tmp~27#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret90#1, timeShift_~tmp~18#1;havoc timeShift_~tmp~18#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 48833#L1122-2 timeShift_#t~ret90#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~18#1 := timeShift_#t~ret90#1;havoc timeShift_#t~ret90#1; 47444#L2071-2 assume 0 != timeShift_~tmp~18#1; 46051#L2072-3 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 46052#L2071-3 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret28#1, __utac_acc__Specification9_spec__3_#t~ret29#1, __utac_acc__Specification9_spec__3_#t~ret30#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~3#1, __utac_acc__Specification9_spec__3_~tmp___0~0#1, __utac_acc__Specification9_spec__3_~tmp___1~0#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~3#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~0#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 48859#L1113-5 __utac_acc__Specification9_spec__3_#t~ret28#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~3#1 := __utac_acc__Specification9_spec__3_#t~ret28#1;havoc __utac_acc__Specification9_spec__3_#t~ret28#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~3#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~13#1;havoc isEmpty_~retValue_acc~13#1; 48486#L1173-25 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~13#1; 47091#L1205-25 __utac_acc__Specification9_spec__3_#t~ret29#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~0#1 := __utac_acc__Specification9_spec__3_#t~ret29#1;havoc __utac_acc__Specification9_spec__3_#t~ret29#1; 48008#L525-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~0#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 48009#L1122-3 __utac_acc__Specification9_spec__3_#t~ret30#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~0#1 := __utac_acc__Specification9_spec__3_#t~ret30#1;havoc __utac_acc__Specification9_spec__3_#t~ret30#1; 49283#L535-2 assume 0 != __utac_acc__Specification9_spec__3_~tmp___0~0#1; 49284#L536-1 assume 0 == __utac_acc__Specification9_spec__3_~floor~0#1; 50195#L537-2 assume 0 != ~floorButtons_spc9_0~0;~floorButtons_spc9_0~0 := 0; 46993#L535-3 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 46994#L2089-1 assume { :end_inline_timeShift } true;cleanup_~i~3#1 := 1 + cleanup_~i~3#1; 50846#L3249-2 [2021-12-16 09:55:37,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:55:37,474 INFO L85 PathProgramCache]: Analyzing trace with hash -799820014, now seen corresponding path program 1 times [2021-12-16 09:55:37,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:55:37,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364679221] [2021-12-16 09:55:37,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:55:37,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:55:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:55:37,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:55:37,520 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:55:37,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364679221] [2021-12-16 09:55:37,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364679221] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:55:37,521 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:55:37,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 09:55:37,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467684589] [2021-12-16 09:55:37,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:55:37,521 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-16 09:55:37,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:55:37,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1488609218, now seen corresponding path program 1 times [2021-12-16 09:55:37,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:55:37,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72194020] [2021-12-16 09:55:37,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:55:37,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:55:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:55:37,527 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:55:37,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:55:37,561 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:55:38,023 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 09:55:38,023 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 09:55:38,023 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 09:55:38,023 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 09:55:38,024 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-16 09:55:38,024 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:55:38,024 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 09:55:38,024 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 09:55:38,024 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec9_product30.cil.c_Iteration3_Loop [2021-12-16 09:55:38,024 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 09:55:38,024 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 09:55:38,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:55:38,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:55:38,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:55:38,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:55:38,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:55:38,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:55:38,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:55:38,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:55:38,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:55:38,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:55:38,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:55:38,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:55:38,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:55:38,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:55:38,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:55:38,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:55:38,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:55:38,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:55:38,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:55:38,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:55:38,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:55:38,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:55:38,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:55:38,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:55:38,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:55:38,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:55:38,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:55:38,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:55:38,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:55:38,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:55:38,403 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 09:55:38,404 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-16 09:55:38,406 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:55:38,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:55:38,407 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:55:38,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-16 09:55:38,424 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 09:55:38,424 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:55:38,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-16 09:55:38,466 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:55:38,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:55:38,467 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:55:38,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-16 09:55:38,472 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-16 09:55:38,472 INFO L160 nArgumentSynthesizer]: Using integer mode.